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Jake O'Brien

Jake O'Brien

Jacob Allen O'Brien is a retired American professional mixed martial artist who most recently competed in the Heavyweight division. A professional competitor from 2005 until 2012, he fought for the UFC, WEC, and DREAM.

    UFC 100: Lesnar vs. Mir 2

    UFC 100: Lesnar vs. Mir 2

    2009

    as Self

    UFC 94: St-Pierre vs. Penn 2

    UFC 94: St-Pierre vs. Penn 2

    2009

    as Self

    UFC Fight Night 14: Silva vs. Irvin

    UFC Fight Night 14: Silva vs. Irvin

    2008

    as Self

    UFC 82: Pride of a Champion

    UFC 82: Pride of a Champion

    2008

    as Self

    UFC Fight Night 8: Evans vs. Salmon

    UFC Fight Night 8: Evans vs. Salmon

    2007

    as Self

    UFC 65: Bad Intentions

    UFC 65: Bad Intentions

    2006

    as Self

    UFC Fight Night 6: Sanchez vs. Parisyan

    UFC Fight Night 6: Sanchez vs. Parisyan

    2006

    as Self

    WEC 19: Undisputed

    WEC 19: Undisputed

    2006

    as Self

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